diff options
author | Dr. David von Oheimb <David.von.Oheimb@siemens.com> | 2023-07-16 14:55:35 +0200 |
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committer | Pauli <pauli@openssl.org> | 2023-07-19 10:01:38 +1000 |
commit | 61c8146aa36b84afd9d83c87c9a01138979ffd60 (patch) | |
tree | 77eaa0e7177ab15607d901c272ade95b8ffb97ea /doc | |
parent | 85b89a8c6da76c241b2f62cf2944b5cf35dfcc24 (diff) |
EVP_KDF.pod: extend text on 'salt' and 'info' parameters
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21469)
Diffstat (limited to 'doc')
-rw-r--r-- | doc/man3/EVP_KDF.pod | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/man3/EVP_KDF.pod b/doc/man3/EVP_KDF.pod index 3c8914bd26..374318cbcf 100644 --- a/doc/man3/EVP_KDF.pod +++ b/doc/man3/EVP_KDF.pod @@ -191,7 +191,7 @@ For those KDF implementations that support it, this parameter sets the password. =item "salt" (B<OSSL_KDF_PARAM_SALT>) <octet string> -Some KDF implementations can take a salt. +Some KDF implementations can take a non-secret unique cryptographic salt. For those KDF implementations that support it, this parameter sets the salt. The default value, if any, is implementation dependent. @@ -229,7 +229,10 @@ sets the key. =item "info" (B<OSSL_KDF_PARAM_INFO>) <octet string> -This parameter sets the info, fixed info, other info or shared info value. +Some KDF implementations, such as L<EVP_KDF-HKDF(7)>, take an 'info' parameter +for binding the derived key material +to application- and context-specific information. +This parameter sets the info, fixed info, other info or shared info argument. You can specify this parameter multiple times, and each instance will be concatenated to form the final value. |